英语词汇“thoria”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

thoria

/ˈθɔːrɪə

noun [mass noun] Chemistry

Thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications.

Chemical formula: ThO₂.

The Austrian chemist, C. von Welsbach, perfected the thoria gas mantle that improves the light output of coal-gas flame and to this day has not been improved significantly....

The major disadvantage of thoria are the environmental issues due to the exposure to the alpha particles emitted by thorium.

Origin

Mid 19th century: from thorium, on the pattern of words such as alumina and magnesia.

单词	thoria
释义	thoria /ˈθɔːrɪə / noun [mass noun] Chemistry Thorium dioxide, a white refractory solid used in making gas mantles and other materials for high-temperature applications. Chemical formula: ThO₂. The Austrian chemist, C. von Welsbach, perfected the thoria gas mantle that improves the light output of coal-gas flame and to this day has not been improved significantly.... The major disadvantage of thoria are the environmental issues due to the exposure to the alpha particles emitted by thorium. Origin Mid 19th century: from thorium, on the pattern of words such as alumina and magnesia.
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